Curated OER
Polymer Basics
In this polymer worksheet, students use an on line site to complete sentences about plastics, their chemical make-up, their uses, their history and information about recycling plastics.
Curated OER
Working with Moles
In this moles worksheet, students read about mass, formula mass and moles. They calculate the masses of given numbers of moles of compounds and they calculate the number of moles of given masses of compounds.
Curated OER
Finding the Oxidation State
In this oxidation state worksheet, students are given rules for assigning oxidation numbers and a chart showing the oxidation states of the elements of a given compound. Students use the rules and the example to find the oxidation states...
Curated OER
Naming Compounds
In this naming compounds worksheet, high schoolers are given a chart to determine if the compound they are naming is ionic, covalent or polyatomic. Students practice identifying and naming ionic, covalent and polyatomic compounds. They...
Curated OER
Early Atomic Theory Homework
In this early atomic theory worksheet, learners answer 4 questions about the Law of Definite Proportions, the Law of Conservation of Mass and Dalton's Laws. Students are given 5 statements to determine if each true statement supports or...
Curated OER
Exploring the Solar System
Your students can learn more about our solar system with these lesson plan ideas.
Curated OER
Natural Gas Lesson-How Natural Gas Forms
Students examine background natural gas and how it is formed and what it is made of. Titles within the series include How Natural Gas Forms, What Happens to Natural Gas when it is burned, and How Natural Gas can be used. Provides very...
Curated OER
Physical and Chemical Changes
Eighth graders view a PowerPoint presentation that assist them in distinguishing between physical and chemical changes. They compare their observations of demonstrations to a list of clues recognizing types of changes.
Curated OER
How Big is a Molecule?
Students estimate the size of a molecule of oleic acid. They conduct an experiment using chalk dust, water, and oleic acid, solve various calculations, and answer discussion questions.
Curated OER
Quantum Mechanics and Atomic Physics
Students will discuss the de Brogile Hypothesis and state the circumstances under which the wave nature of matter is observed. They will also calculate the wavelengths of matter waves.
Curated OER
Quantum Physics
Students discuss the mass-energy relationship based on Einstein's work. They calculate the energy released in various scenerios and sketch diagrams for the Lyman, Balmer and Pfund Series. In groups, they discuss the role of photons and...
Curated OER
Here Comes the Sun
Third graders watch a video on the solar system and examine the role of the sun. As a class, they complete a KWL chart and make different color temperature pockets to use during their experiment. In groups, they make predictions about...
Curated OER
Water Chemistry
Pupils engage in a lesson that is concerned with the concept of water chemistry. They conduct research using a variety of resources. Students also consider an experiment to observe how water has the abiility to exist as three different...
Curated OER
Isotopes; Molecular Notation; Electron Orbits
In this isotopes, molecular notation, and electron orbits worksheet, students read selections pertaining to isotopes, mass number, molecular notation, electric attraction, and electron orbits. In addition, students complete 11 short...
Curated OER
Isotopes
In this isotopes worksheet, students review mass number, molecular notation, electron attraction, and electron orbits. This worksheet has 5 matching and 5 short answer questions.
Curated OER
Comprise/Compose
In this comprise and compose worksheet, students choose the correct word to complete each sentence. Students choose either comprise or compose to complete 9 sentences.
Curated OER
The Periodic Table
For this periodic table worksheet, students review the elements and how they are organized in the periodic table. This worksheet has 10 fill in the blank, 6 multiple choice, and 5 short answer questions.
Curated OER
Molecular Polarity
In this science worksheet, learners solve problems that are related to the concept of molecular polarity. The answers to the problems are included.
Curated OER
Atomic Structure
In this elements worksheet, students complete a graphic organizer by filling in the element symbol, atomic number, atomic mass, and the number of protons, electrons, and neutrons. Then students complete 2 short answer questions.
Curated OER
Atomic Weight
In this atomic weight worksheet, students follow directions to complete an experiment with nuts, a scale, and calculator to calculate atomic weight. Students then answer 6 questions.
Curated OER
Answers for Elements and Compounds Crossword Puzzle
In this chemistry worksheet, students are provided with the answers to a 28 clue crossword puzzle about elements and compounds.
Curated OER
Covalent Bonding-Electron Dot Structures
In this chemistry, students draw the Lewis structures of 20 covalent compounds. They demonstrate how the lone pairs are distributed in the molecule.
Curated OER
Comets
Students explore the nature and composition of a comet. They research comet facts, legends, and myths. They identify different types of comets and describe what happens to a comet as it travels closer to the Sun.
Curated OER
Moles, Stoichiometry, and Concentration
In this stoichiometry worksheet, students practice calculating moles, molar mass, and percentage composition of given compounds. This worksheet has 55 problems to solve.